Solve the Triangle...5

Discussion in 'Geometry and Trigonometry' started by nycmathguy, Jan 14, 2022.

  1. nycmathguy

    nycmathguy

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    Section 6.1

    Screenshot_20220109-195819_Samsung Notes.jpg

    IMG_20220114_184024.jpg

    IMG_20220114_184030.jpg
     
    nycmathguy, Jan 14, 2022
    #1
  2. nycmathguy

    MathLover1

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    first find angle B:

    [​IMG]

    [​IMG]

    [​IMG]


    then angle C is
    C=180-(25.07+78.8898 )
    C=76.04°

    and side c
    [​IMG]

    [​IMG]

    c=21.76
     
    MathLover1, Jan 15, 2022
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  3. nycmathguy

    nycmathguy

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    Where did you get 25.07?
    I thought 25° + (4/60)' is 25.1°, right? Am I converting the wrong way? In my calculations, 25° 4' = 25.1°. No?
     
    nycmathguy, Jan 15, 2022
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  4. nycmathguy

    MathLover1

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    4/60=1/15=0.0666666666666667=0.07

    25° + 0.07°=25.07°
     
    MathLover1, Jan 15, 2022
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  5. nycmathguy

    nycmathguy

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    I see this is another case of making careless mistakes with simple math on my part.
     
    nycmathguy, Jan 15, 2022
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